Rat Defense: Accelerated Gurgenidze
1. e4 g6 2. d4 d6 3. Nc3 c6
The Rat Defense: Accelerated Gurgenidze is a chess opening classified as ECO B06, reached after 1. e4 g6 2. d4 d6 3. Nc3 c6. It is a line of the Rat Defense. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 63 times by this move order. White won 51%, 9% were drawn and Black won 40%. The most popular continuation is 4. Be3 (27% of games).
Engine evaluation: +0.55 (Stockfish, depth 55; best line 4. h3 Nf6 5. Be3 Qb6 6. Qc1 Nbd7)
- ECO
- B06
- Moves
- 6 plies
- FEN
rnbqkbnr/pp2pp1p/2pp2p1/8/3PP3/2N5/PPP2PPP/R1BQKBNR w KQkq - 0 4- PGN
1. e4 g6 2. d4 d6 3. Nc3 c6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 6 | |
| 1500-1999 | 22 | |
| 2000+ | 35 | |
| All | 63 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4. Be3 | 17 (27%) | |
| 4. f4 | 13 (21%) | |
| 4. Nf3 | 12 (19%) | |
| 4. Bc4 | 6 (10%) | |
| 4. Be2 | 3 (5%) | |
| 4. a4 | 3 (5%) | |
| 4. Bg5 | 2 (3%) | |
| 4. Bf4 | 2 (3%) |
Master games
234 over-the-board games are classified under this line (White 34%, draw 22%, Black 44%). The strongest:
- Stockfish 20210113 (3601) – LCZero 0.27.0d-Tilps-dje-magic_JH.94-100 (3586) 1/2-1/2 · TCEC 20 Superfinal 2020 · 2021-01-17
- LCZero 0.27.0d-Tilps-dje-magic_JH.94-100 (3586) – Stockfish 20210113 (3601) 1/2-1/2 · TCEC 20 Superfinal 2020 · 2021-01-17
- GM Erigaisi Arjun (2778) – GM Magnus Carlsen (2832) 0-1 · chess.com SpeedChess 2024 · 2024-08-08
- GM Gukesh D (2764) – GM Magnus Carlsen (2830) 0-1 · Superbet POL Blitz 2024 · 2024-05-12
- GM Hans Moke Niemann (2733) – GM Magnus Carlsen (2832) 0-1 · SpeedChess Final 2024 · 2024-09-06
Search all games of the Rat Defense: Accelerated Gurgenidze and its sub-variations
Highest-rated Lichess games
- CM Darkclock (2600) – jr_poison (2575) 1/2-1/2 · 2026-09-06 · 300 + 0s
- FM NightOFzero (2548) – jr_poison (2567) 1/2-1/2 · 2026-09-06 · 300 + 0s
- deniizzkw (2329) – RalphW (2335) 0-1 · 2026-09-05 · 180 + 0s
Comes from
Modern Defense (1. e4 g6) 1. e4 g6
More Rat Defense lines (all)
- Rat Defense: English Rat A41
- Rat Defense: English Rat, Lisbon Gambit A41
- Rat Defense: English Rat, Pounds Gambit A41
- Rat Defense: Balogh Defense A82
- Rat Defense: Antal Defense B00
- Rat Defense: Fuller Gambit B00
- Rat Defense: Harmonist B00
- Rat Defense: Petruccioli Attack B00
- Rat Defense: Spike Attack B00
- Rat Defense: Small Center Defense C00
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.